| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.uirendering.cts.testclasses; |
| |
| import android.annotation.ColorInt; |
| import android.graphics.Color; |
| import android.graphics.ColorMatrix; |
| import android.graphics.ColorMatrixColorFilter; |
| import android.graphics.Paint; |
| import android.graphics.PorterDuff; |
| import android.graphics.PorterDuffXfermode; |
| import android.support.test.runner.AndroidJUnit4; |
| import android.test.suitebuilder.annotation.MediumTest; |
| import android.uirendering.cts.bitmapverifiers.ColorVerifier; |
| import android.uirendering.cts.testinfrastructure.ActivityTestBase; |
| import android.uirendering.cts.testinfrastructure.ViewInitializer; |
| import android.view.Gravity; |
| import android.view.View; |
| import android.view.ViewTreeObserver; |
| import android.uirendering.cts.R; |
| import android.widget.FrameLayout; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| |
| @MediumTest |
| @RunWith(AndroidJUnit4.class) |
| public class LayerTests extends ActivityTestBase { |
| @Test |
| public void testLayerPaintAlpha() { |
| // red channel full strength, other channels 75% strength |
| // (since 25% alpha red subtracts from them) |
| @ColorInt |
| final int expectedColor = Color.rgb(255, 191, 191); |
| createTest() |
| .addLayout(R.layout.simple_red_layout, (ViewInitializer) view -> { |
| // reduce alpha by 50% |
| Paint paint = new Paint(); |
| paint.setAlpha(128); |
| view.setLayerType(View.LAYER_TYPE_HARDWARE, paint); |
| |
| // reduce alpha by another 50% (ensuring two alphas combine correctly) |
| view.setAlpha(0.5f); |
| }) |
| .runWithVerifier(new ColorVerifier(expectedColor)); |
| } |
| |
| @Test |
| public void testLayerPaintColorFilter() { |
| // Red, fully desaturated. Note that it's not 255/3 in each channel. |
| // See ColorMatrix#setSaturation() |
| @ColorInt |
| final int expectedColor = Color.rgb(54, 54, 54); |
| createTest() |
| .addLayout(R.layout.simple_red_layout, (ViewInitializer) view -> { |
| Paint paint = new Paint(); |
| ColorMatrix desatMatrix = new ColorMatrix(); |
| desatMatrix.setSaturation(0.0f); |
| paint.setColorFilter(new ColorMatrixColorFilter(desatMatrix)); |
| view.setLayerType(View.LAYER_TYPE_HARDWARE, paint); |
| }) |
| .runWithVerifier(new ColorVerifier(expectedColor)); |
| } |
| |
| @Test |
| public void testLayerPaintBlend() { |
| // Red, drawn underneath opaque white, so output should be white. |
| // TODO: consider doing more interesting blending test here |
| @ColorInt |
| final int expectedColor = Color.WHITE; |
| createTest() |
| .addLayout(R.layout.simple_red_layout, (ViewInitializer) view -> { |
| Paint paint = new Paint(); |
| /* Note that when drawing in SW, we're blending within an otherwise empty |
| * SW layer, as opposed to in the frame buffer (which has a white |
| * background). |
| * |
| * For this reason we use just use DST, which just throws out the SRC |
| * content, regardless of the DST alpha channel. |
| */ |
| paint.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.DST)); |
| view.setLayerType(View.LAYER_TYPE_HARDWARE, paint); |
| }) |
| .runWithVerifier(new ColorVerifier(expectedColor)); |
| } |
| |
| @Test |
| public void testLayerInitialSizeZero() { |
| createTest() |
| .addLayout(R.layout.frame_layout, view -> { |
| FrameLayout root = (FrameLayout) view.findViewById(R.id.frame_layout); |
| // disable clipChildren, to ensure children aren't rejected by bounds |
| root.setClipChildren(false); |
| for (int i = 0; i < 2; i++) { |
| View child = new View(view.getContext()); |
| child.setLayerType(View.LAYER_TYPE_HARDWARE, null); |
| // add rendering content, so View isn't skipped at render time |
| child.setBackgroundColor(Color.RED); |
| |
| // add one with width=0, one with height=0 |
| root.addView(child, new FrameLayout.LayoutParams( |
| i == 0 ? 0 : 90, |
| i == 0 ? 90 : 0, |
| Gravity.TOP | Gravity.LEFT)); |
| } |
| }, true) |
| .runWithVerifier(new ColorVerifier(Color.WHITE, 0 /* zero tolerance */)); |
| } |
| |
| @Test |
| public void testLayerResizeZero() { |
| createTest() |
| .addLayout(R.layout.frame_layout, view -> { |
| FrameLayout root = (FrameLayout) view.findViewById(R.id.frame_layout); |
| // disable clipChildren, to ensure child isn't rejected by bounds |
| root.setClipChildren(false); |
| for (int i = 0; i < 2; i++) { |
| View child = new View(view.getContext()); |
| child.setLayerType(View.LAYER_TYPE_HARDWARE, null); |
| // add rendering content, so View isn't skipped at render time |
| child.setBackgroundColor(Color.BLUE); |
| root.addView(child, new FrameLayout.LayoutParams(90, 90, |
| Gravity.TOP | Gravity.LEFT)); |
| } |
| |
| // post invalid dimensions a few frames in, so initial layer allocation succeeds |
| // NOTE: this must execute before capture, or verification will fail |
| root.getViewTreeObserver().addOnPreDrawListener( |
| new ViewTreeObserver.OnPreDrawListener() { |
| int mDrawCount = 0; |
| @Override |
| public boolean onPreDraw() { |
| if (mDrawCount++ == 5) { |
| root.getChildAt(0).getLayoutParams().width = 0; |
| root.getChildAt(0).requestLayout(); |
| root.getChildAt(1).getLayoutParams().height = 0; |
| root.getChildAt(1).requestLayout(); |
| } |
| return true; |
| } |
| }); |
| }, true) |
| .runWithVerifier(new ColorVerifier(Color.WHITE, 0 /* zero tolerance */)); |
| } |
| } |